'A printed system of signals combining the method commonly used in the British Navy, of making signals from fixed places of the Masts or Rigging, with a numerary method...'.
'A printed system of signals combining the method commonly used in the British Navy, of making signals from fixed places of the Masts or Rigging, with a numerary method...' by Admiral Phillip Patton (1739-1815) [Formerly SP88]